Home / 3,101.32-4,279.85-1,704.07

Finding the Fourth Proportional to 3,101.32, 4,279.85 and 1,704.07

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Solution

The fourth proportional to 3,101.32, 4,279.85 and 1,704.07 is: 2,351.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101.32 : 4,279.85 = 1,704.07 : x
  2. Step 2: Convert to fraction form
    3,101.32/4,279.85 = 1,704.07/x
  3. Step 3: Cross multiply
    3,101.32x = 4,279.85 × 1,704.07
  4. Step 4: Simplify right side
    3,101.32x = 7,293,163.99
  5. Step 5: Solve for x
    x = 7,293,163.99/3,101.32
  6. Step 6: Final answer
    x = 2,351.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.